1C4Q
MUTATED SHIGA-LIKE TOXIN B SUBUNIT (F30A/W34A) COMPLEXED WITH RECEPTOR GB3 ANALOGUE
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords | 
| 1 | A, B, C, D, E (A, B, C, D, E)  | PROTEIN (SHIGA-LIKE TOXIN I SUBUNIT B) | polymer | 69 | 7507.4 | 5 | UniProt (P08027) Pfam (PF02258) UniProt (by SIFTS) (P69179)  | Escherichia coli | |
| 2 | F, G, H, I, J (F, G, H, I, J)  | alpha-D-galactopyranose-(1-4)-beta-D-galactopyranose-(1-4)-beta-D-glucopyranose | branched | 504.4 | 5 | In PDB GlyTouCan (G00059MO)  | |||
| 3 | K, L, M, N, O (A, B, C, D, E)  | water | water | 18.0 | 389 | Chemie (HOH) | 
Sequence modifications
A, B, C, D, E: 101 - 169 (UniProt: P08027)
| PDB | External Database | Details | 
|---|---|---|
| Ala 130 | Phe 50 | engineered mutation | 
| Ala 134 | Trp 54 | engineered mutation | 
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 5 | 
| Total formula weight | 37537.0 | |
| Branched | Number of molecules | 5 | 
| Total formula weight | 2522.2 | |
| All* | Total formula weight | 40059.2 | 






